While staying with them, Jesus ordered them not to leave Jerusalem, but to wait there for the promise of the Father. “This,” he said, “is what you have heard from me; for John baptized with water, but you will be baptized with the Holy Spirit not many days from now.”
Acts 1:4-5

When the day of Pentecost had come, they were all together in one place. And suddenly from heaven there came a sound like the rush of a violent wind, and it filled the entire house where they were sitting. Divided tongues, as of fire, appeared among them, and a tongue rested on each of them. All of them were filled with the Holy Spirit and began to speak in other languages, as the Spirit gave them ability.
Acts 2:1-4

Before ascending into heaven, Jesus told his disciples to remain in Jerusalem, for it was there they would be baptized in the Holy Spirit. Shortly after his ascension the day of Pentecost came, and the Holy Spirit descended, first like a violent wind, then as divided tongues of fire. As each tongue rested on them, they began to speak in other languages that were not their own. While this is miraculous in and of itself, it is also a profound statement of the power of the Holy Spirit to allow us to understand those who are other, those who are not like us. To speak another language is to catch a glimpse into another person’s mind. Read more